11509+1217 HJ 1201

 
 
11h 50m 55.42s +12 16' 44.3" P.A. 189 sep 14.6 mag 6.42,11.65 Sp A8V dist. 51.6 pc (168.32 l.y.)
 
 
Coord 2000
11509+1217
Discov num
HJ 1201
Comp
Coord arcsec 2000
11 50 55.42 +12 16 44.3
Date first
1828
Date last
2010
Obs
17
Pa first
189
Pa last
189
P.A. Now (θ)
189°
Sep first
12.0
Sep last
14.6
Sep. Now (ρ)
14.6"
Mag pri
6.42
Mag sec
11.65
delta mag (ΔM)
5.23
Spectral class
A8V (white)
Pri motion ra
-136
Sec motion ra
Pri motion dec
+026
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
188.9
Precise sep
14.64
Cdsa2 id
HJ 1201
Constellation
Leo
SAO
99827
HIP
57779
Tycho2
0867-01011-1
HD
102910
HR
4543
BD
BD+13 2465
Ra deg
11.848727777777778
De deg
12.278972222222222
Distance
51.6
Distance ly
168.32
last precise pa
188.9
last precise sep
14.64
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11509+1217 HJ 1201 2002 12 188 16.0 6.42 11.65 A5m D 115055.42+121644.3
11509+1217 HJ 1201 2010 17 189 14.6 6.42 11.65 A8V 115055.42+121644.3

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